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Home >> Chevrolet >> 2001 >> Cavalier LS, 2.2 4 >> Repair and Diagnosis >> External Pages >> Different car >> Section 142 (Engine Exhaust System) >> Repair Instructions >> Catalytic Converter Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Sunfire and 2003 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise the vehicle. Refer to LIFTING AND JACKING THE VEHICLE in General Information.
  2. Remove the post catalytic converter heated oxygen sensor.
    Fig 1: Removing Post Catalytic Converter Heated Oxygen Sensor
    G01581308Courtesy of GENERAL MOTORS CORP.
  3. Support the three-way catalytic converter.
  4. Remove the intermediate pipe bolts.
    Fig 2: Removing Intermediate Pipe Bolts
    G01581309Courtesy of GENERAL MOTORS CORP.
  5. Remove the exhaust manifold nuts (3).
    Fig 3: Removing Exhaust Pipe-To-Exhaust Manifold Nuts
    G01581310Courtesy of GENERAL MOTORS CORP.
  6. Remove the three-way catalytic converter and seals.
  7. Clean the flange surfaces.
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